@article{DBLP:journals/tods/IoannidisRW93,
author = {Yannis E. Ioannidis and
Raghu Ramakrishnan and
Linda Winger},
title = {Transitive Closure Algorithms Based on Graph Traversal},
journal = {ACM Trans. Database Syst.},
volume = {18},
number = {3},
year = {1993},
pages = {512-576},
ee = {http://doi.acm.org/10.1145/155271.155273},
bibsource = {DBLP, http://dblp.uni-trier.de}
}